V-Lab
RTX Corp AGARCH Volatility Analysis
Volatility prediction for Tuesday, September 8th, 2026
1 Day
26.74%
decreased by 0.68%
1 Week
26.78%
decreased by 0.64%
1 Month
26.89%
decreased by 0.53%
Analysis last updated: Friday, September 4, 2026 at 11:11 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 2, 1990 to Sep 4, 2026Model Insight
The news-impact curve is shifted (γ = 0.94) so that negative returns raise next-day volatility more than positive returns of the same size. The gap is largest for small shocks and narrows for larger ones.
σ
AGARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 0.0000 | 0.00 |
α ARCH Response to squared shocks | 0.0688 | 10.64*** |
β GARCH Volatility persistence | 0.9109 | 122.98*** |
γ leverage Additional response to negative shocks | 0.9430 | 7.36*** |
Persistence:
0.980
Half-life:
34 days
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